126 



KEPOKT on the POLYCH^TOUS ANNELIDS 

 of the L.M.B.C. DISTKICT. 



By James Hornell. 



With Plates XIIL, XIV., XV. 



[Read 13tli Maroli, 1891.] 



Introduction. 



The dredged material with which the following report 

 deals was collected in great part on the various dredg- 

 ing cruises instituted by the Liverpool Marine Biology 

 Committee during the years 1886 — 90 ; while the littoral 

 species were mostly obtained by myself during 1890 from 

 selected local centres. Great help was in addition ren- 

 dered by the keeper of the Biological Station on Puffin 

 Island, especially during the past winter. 



I offer hearty thanks to Professor Herdman for the 

 uniform kindness he has shown in facilitating my labours. 

 Indeed to one with my limited leisure, his w^ords of en- 

 couragement and advice furnished an incentive I could ill 

 have spared. Messrs. A. 0. Walker, I. C. Thompson, 

 F. Archer, and Dr. Chaster have also at various times 

 kindly procured specimens for me, and I gladly avail my- 

 self of this opportunity to express my thanks. Finally, I 

 have to express my obligation to Professor Mcintosh for 

 help in the determination of a few of the more critical 

 species. 



In the arrangement and nomenclature of the larger 

 divisions I have followed Claus,* but with the generic 



* Traiic'de Zoohnjie, 1SS4 



